Merge pull request #76714 from jab-rh/rn-OSDOCS-10540

OSDOCS-10540: Add IPsec telemetry release note

Author: jab-rh

release_notes/ocp-4-16-release-notes.adoc

@@ -794,7 +794,6 @@ With this release, you can configure an {product-title} cluster on any on-premis
 For more information about this feature on bare-metal infrastructure, see xref:../installing/installing_bare_metal_ipi/ipi-install-installation-workflow.adoc#nw-osp-services-external-load-balancer_ipi-install-installation-workflow[Services for a user-managed load balancer] in _Setting up the environment for an OpenShift installation_.
 
 [id="ocp-4-16-detect-warning-for-iptables_{context}"]
-[id="ocp-4-16-detect-warning-for-iptables"]
 ==== Detect and warning for iptables
 With this release, if you have pods in your cluster using `iptables` rules the following event message is given to warn against future deprecation:
 `This pod appears to have created one or more iptables rules. IPTables is deprecated and will no longer be available in RHEL 10 and later. You should consider migrating to another API such as nftables or eBPF.`
@@ -865,8 +864,13 @@ If you use the OVN-Kubernetes network plugin, you can configure the transit, joi
 
 For more information about these configuration fields, see xref:../networking/cluster-network-operator.adoc#nw-operator-cr-cno-object_cluster-network-operator[Cluster Network Operator configuration object]. For more information about configuring the transit and join subnets on an existing cluster, see Configure OVN-Kubernetes internal IP address subnets.
 
-//[id="ocp-4-16-registry_{context}"]
-//=== Registry
+[id="ocp-4-16-networking-ipsec-metrics_{context}"]
+==== IPsec telemetry
+
+The Telemetry and the Insights Operator collects telemetry on IPsec connections. For more information, see xref:../support/remote_health_monitoring/showing-data-collected-by-remote-health-monitoring.adoc#showing-data-collected-from-the-cluster_showing-data-collected-by-remote-health-monitoring[Showing data collected by Telemetry].
+
+[id="ocp-4-16-registry_{context}"]
+=== Registry
 
 [id="ocp-4-16-storage_{context}"]
 === Storage